Label-free FTIR spectroscopy detects and visualizes the early stage of pulmonary micrometastasis seeded from breast carcinoma
Keywords: AM; advanced macrometastasis; ECM; extracellular matrix; EM; early metastasis; FPA; focal-plane array; FTIR; Fourier-transform infrared spectroscopy; HC; healthy control; H&E; hematoxylin and eosin; IQR; interquartile range; MMPs; matrix metalloproteinase